What’s Vulnerable › Vulnerabilities

CVE-2026-40025: Sleuth Kit APFS Keybag Parser Out-of-Bounds Read

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-08 · updated 2026-07-25
• Weakness: CWE-125

Description

The Sleuth Kit through 4.14.0 contains an out-of-bounds read vulnerability in the APFS filesystem keybag parser where the wrapped_key_parser class follows attacker-controlled length fields without bounds checking, causing heap reads past the allocated buffer. An attacker can craft a malicious APFS disk image that triggers information disclosure or crashes when processed by any Sleuth Kit tool that parses APFS volumes.

Affected products

• sleuthkit: before 4.15.0 — fixed in 4.15.0

How to fix

Upgrade to a fixed version: sleuthkit 4.15.0. Check the vendor advisory for mitigations.

References

• https://github.com/sleuthkit/sleuthkit/commit/8b9c9e7d493bd68624f3b1a3963edd45c3ff7611
• https://github.com/sleuthkit/sleuthkit/pull/3444
• https://mobasi.ai/sentinel
• https://www.vulncheck.com/advisories/sleuth-kit-apfs-keybag-parser-out-of-bounds-read

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